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Chapter 2, Section 3
Test Description: It's alive!! or ist it
Instructions: Answer all questions to get your test result.
1) ___ is sometimes called the blueprints of life.
A
Phospholipids
B
Water
C
Nucleic acid
D
Proteins
2) The molecule that contains the information on how to make proteins is ___.
A
a phospholipid
B
ATP
C
DNA
D
a carbonhydrate
3) The subunit of nucleic acids are ___.
A
oils
B
sugars
C
amino acids
D
nucleotides
4) ___ is a complex carbohydrate manufactured by plants.
A
Starch
B
Protein
C
Hemoglobin
D
Oil
5) The molecule that provides energy for cellular processes is ___.
A
DNA
B
protein
C
RNA
D
ATP
6) The subunits of proteins are ___.
A
amino acids
B
nucleotides
C
enzymes
D
sugar molecules
7) Cells do not use ___ for energy storage.
A
fats
B
carbohydrates
C
nucleic acids
D
oils
8) Which of the following is NOT true of proteins?
A
they are a component of spider webs
B
they speed up chemical reactions
C
they protect cells from foreign material
D
they are the primary source of energy for cells
9) In the cell membrane, ___ molecules form two layers.
A
proteins
B
lipids
C
carbohydrates
D
phospholipids
10) ___ is the passing of traits from one generation to the next.
A
Photosynthesis
B
Metabolism
C
Homeostasis
D
Heredity
*select an answer for all questions
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